package com.tedu;

import java.util.Scanner;

public class Test010 {
    public static void main (String[] args) {
        Scanner sc = new Scanner(System.in);
        int a = sc.nextInt();


        if (a > 20) {
            System.out.println("大了");
        } else if (a < 20) {
            System.out.println("小了");
        } else if (a == 20) {
            System.out.println("相等");
        }

    }
}
